Colorado Tick Fever

Colorado Tick Fever (CTF) is also known as Mountain Fever or American Mountain Fever. The virus is spread to humans by bites from infected ticks. Symptoms include a sudden fever, headache, muscle pain and chills. CTF can be a severe illness, especially in children under 10 and older adults.

Disease Reporting

Health care providers and clinical laboratories:Health care providers and clinical laboratories are required to report cases and suspect cases of Colorado Tick Fever within one working day upon identification. Call 971-673-1111 to reach the state health department doctor on call.